Primary Amine Catalyzed Activation of Carbonyl Compounds: A Study on Reaction Pathways and Reactive Intermediates by Mass Spectrometry

Antonia Iazzetti, G. Bencivenni G. Mazzoccanti, P. Righi, A. Calcaterra, C. Villani, A. Ciogli*

*Autore corrispondente per questo lavoro

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

Abstract

The field of organocatalysis is expanding at a fast pace. Its growth is sustained by major stimuli, such as the effort toward an understanding of the mechanisms of reaction and catalytic processes in general, the elucidation of basic properties leading to stereocontrol and the search for broad applicability and scalability of the synthetic methodology. This paper reports a thorough study based on ESI-MS spectrometry of amino-organocatalyzed model reactions under different experimental conditions. Off-line reaction monitoring of mixtures containing different catalytic systems, by ESI-MSn showed the presence of several putative intermediate species, either in their protonated or sodiated forms. In addition, enantioselective chromatography of crude reactions provides the stereochemical outcome of asymmetric reactions. The bulk of the data collected offers a clue of the intricate pathways occurring in solution for the studied reactions.
Lingua originaleEnglish
pagine (da-a)1-8
Numero di pagine8
RivistaEuropean Journal of Organic Chemistry
DOI
Stato di pubblicazionePubblicato - 2022

Keywords

  • Mass Spectrometry
  • asymmetric aminocatalysis
  • organocatalysis

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